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Source Port Labeling

Identify each packet's entry point

The Source Port Labeling feature of the GigaSMART® engine provides context to packets and allows tools to properly assess network behavior and threats based on where they are happening in the network. When a packet arrives into the Gigamon® Visibility Platform, it could have come from one of dozens or hundreds of network access points.

Before forwarding the packet to a monitoring or security tool, Source Port Labeling adds a trailer to the packet that identifies on which port the packet arrived. The tool can query the Gigamon Visibility Platform using the Rest API and look up the Cisco Discovery Protocol (CDP) or Link Layer Discovery Protocol (LLDP) information associated with the packet’s source port to know exactly where in the network problems or threats reside.